ArticleProceedings of the National Academy of Sciences of the United States of America1997
Aluminum activates an anion channel in the apical cells of wheat roots.
Article in Proceedings of the National Academy of Sciences of the United States of America, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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Who cites it
40 citing papers in PubMed, 206 citations in OpenAlex.
- Ion Changes and Signaling under Salt Stress in Wheat and Other Important Crops.Plants (Basel, Switzerland) · 2023Review
- Genome-Wide Identification, Molecular Evolution, and Expression Divergence of Aluminum-Activated Malate Transporters in Apples.International journal of molecular sciences · 2018Article
- Effects of AlProteomes · 2017Article
- The varied functions of aluminium-activated malate transporters-much more than aluminium resistance.Biochemical Society transactions · 2016Review
- Anion Channel Inhibitor NPPB-Inhibited Fluoride Accumulation in Tea Plant (Camellia sinensis) Is Related to the Regulation of Ca²⁺, CaM and Depolarization of Plasma Membrane Potential.International journal of molecular sciences · 2016Article
- The ALMT Family of Organic Acid Transporters in Plants and Their Involvement in Detoxification and Nutrient Security.Frontiers in plant science · 2016Review
- Ethylene negatively regulates aluminium-induced malate efflux from wheat roots and tobacco cells transformed with TaALMT1.Journal of experimental botany · 2014Article
- Roles of organic acid anion secretion in aluminium tolerance of higher plants.BioMed research international · 2013Review
- Differential expression of genes involved in alternative glycolytic pathways, phosphorus scavenging and recycling in response to aluminum and phosphorus interactions in Citrus roots.Molecular biology reports · 2012Article
- Molecular and physiological strategies to increase aluminum resistance in plants.Molecular biology reports · 2012Review
- Molecular Evolution of Slow and Quick Anion Channels (SLACs and QUACs/ALMTs).Frontiers in plant science · 2012Article
- Al toxicity leads to enhanced cell division and changed photosynthesis in Oryza rufipogon L.Molecular biology reports · 2011Article
- The role of the root apoplast in aluminium-induced inhibition of root elongation and in aluminium resistance of plants: a review.Annals of botany · 2010Review
- A second mechanism for aluminum resistance in wheat relies on the constitutive efflux of citrate from roots.Plant physiology · 2009Article
- Novel properties of the wheat aluminum tolerance organic acid transporter (TaALMT1) revealed by electrophysiological characterization in Xenopus Oocytes: functional and structural implications.Plant physiology · 2008Article
- Analysis of TaALMT1 traces the transmission of aluminum resistance in cultivated common wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2008Article
- The Membrane Topology of ALMT1, an Aluminum-Activated Malate Transport Protein in Wheat (Triticum aestivum).Plant signaling & behavior · 2007Article
- The BnALMT1 Protein That is an Aluminum-Activated Malate Transporter is Localized in the Plasma Membrane.Plant signaling & behavior · 2007Article
- The BnALMT1 and BnALMT2 genes from rape encode aluminum-activated malate transporters that enhance the aluminum resistance of plant cells.Plant physiology · 2006Article
- Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We describe an anion channel in the plasmalemma of protoplasts isolated from wheat (Triticum aestivum L.) roots that is activated by aluminum (Al3+). In the whole-cell configuration, addition of 20-50 microM AlCl3 to the external solution depolarized the membrane and activated an inward current that could remain active for more than 60 min. The activation by Al3+ was rapid in 20% of protoplasts examined, whereas in another 30% a delay of more than 10 min occurred after Al3+ was added. Once the current was activated, changing the external Cl- concentration shifted the membrane reversal potential with ECl, showing that the channel is more selective for anions than cations (Ca2+, K+, tetraethylammonium+). The channel could be activated by Al3+, but not by La3+, and was observed in protoplasts isolated from the root apex but not in protoplasts isolated from mature root tissue. The anion channel antagonist niflumate inhibited the current in whole cell measurements by 83% at 100 microM. Outside-out patch recordings revealed a multistate channel with single-channel conductances of between 27 and 66 pS.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.